No route to host

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lou...@gmail.com

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Mar 5, 2012, 5:33:11 PM3/5/12
to open-...@googlegroups.com
I have replaced my target host and am running into many many problems...the latest being the following.

WIth the previous target host the initiator had been running. Have I done something to corrupt it? I had to replace some packages recently to complete some testing
but I felt that they were unrelated to iscsi...


[root@icecube003 init.d]# iscsiadm -m discovery -t st -p 192.168.18.210 -d 8
iscsiadm: Max file limits 1024 1024

iscsiadm: updating defaults from '/etc/iscsi/iscsid.conf'
iscsiadm: updated 'discovery.sendtargets.iscsi.MaxRecvDataSegmentLength', '32768' => '32768'
iscsiadm: updated 'node.startup', 'manual' => 'automatic'
iscsiadm: updated 'node.leading_login', 'No' => 'No'
iscsiadm: updated 'node.session.timeo.replacement_timeout', '120' => '120'
iscsiadm: updated 'node.conn[0].timeo.login_timeout', '30' => '15'
iscsiadm: updated 'node.conn[0].timeo.logout_timeout', '15' => '15'
iscsiadm: updated 'node.conn[0].timeo.noop_out_interval', '5' => '5'
iscsiadm: updated 'node.conn[0].timeo.noop_out_timeout', '5' => '5'
iscsiadm: updated 'node.session.err_timeo.abort_timeout', '15' => '15'
iscsiadm: updated 'node.session.err_timeo.lu_reset_timeout', '30' => '30'
iscsiadm: updated 'node.session.err_timeo.tgt_reset_timeout', '30' => '30'
iscsiadm: updated 'node.session.initial_login_retry_max', '4' => '8'
iscsiadm: updated 'node.session.cmds_max', '128' => '128'
iscsiadm: updated 'node.session.queue_depth', '32' => '32'
iscsiadm: updated 'node.session.xmit_thread_priority', '-20' => '-20'
iscsiadm: updated 'node.session.iscsi.InitialR2T', 'No' => 'No'
iscsiadm: updated 'node.session.iscsi.ImmediateData', 'Yes' => 'Yes'
iscsiadm: updated 'node.session.iscsi.FirstBurstLength', '262144' => '262144'
iscsiadm: updated 'node.session.iscsi.MaxBurstLength', '16776192' => '16776192'
iscsiadm: updated 'node.conn[0].iscsi.MaxRecvDataSegmentLength', '262144' => '262144'
iscsiadm: updated 'node.conn[0].iscsi.MaxXmitDataSegmentLength', '0' => '0'
iscsiadm: updated 'node.conn[0].iscsi.HeaderDigest', 'None' => 'None'
iscsiadm: updated 'node.session.nr_sessions', '1' => '1'
iscsiadm: updated 'node.session.iscsi.FastAbort', 'Yes' => 'Yes'
iscsiadm: Looking for config file /var/lib/iscsi/send_targets/192.168.18.210,3260

iscsiadm: Looking for config file /var/lib/iscsi/send_targets/192.168.18.210,3260 config st_config.
iscsiadm: updated 'discovery.startup', 'manual' => 'manual'
iscsiadm: updated 'discovery.type', 'sendtargets' => 'sendtargets'
iscsiadm: updated 'discovery.sendtargets.address', '' => '192.168.18.210'
iscsiadm: updated 'discovery.sendtargets.port', '0' => '3260'
iscsiadm: updated 'discovery.sendtargets.auth.authmethod', 'None' => 'None'
iscsiadm: updated 'discovery.sendtargets.timeo.login_timeout', '15' => '15'
iscsiadm: updated 'discovery.sendtargets.use_discoveryd', 'No' => 'No'
iscsiadm: updated 'discovery.sendtargets.discoveryd_poll_inval', '30' => '30'
iscsiadm: updated 'discovery.sendtargets.reopen_max', '5' => '5'
iscsiadm: updated 'discovery.sendtargets.timeo.auth_timeout', '45' => '45'
iscsiadm: updated 'discovery.sendtargets.timeo.active_timeout', '30' => '30'
iscsiadm: updated 'discovery.sendtargets.iscsi.MaxRecvDataSegmentLength', '32768' => '32768'
iscsiadm: disc rec already exists
iscsiadm: Looking for config file /var/lib/iscsi/send_targets/192.168.18.210,3260

iscsiadm: starting sendtargets discovery, address 192.168.18.210:3260
iscsiadm: in read_transports
iscsiadm: Adding new transport be2iscsi
iscsiadm: Matched transport be2iscsi

iscsiadm: sysfs_attr_get_value: open '/class/iscsi_transport/be2iscsi'/'handle'

iscsiadm: sysfs_attr_get_value: new uncached attribute '/sys/class/iscsi_transport/be2iscsi/handle'

iscsiadm: sysfs_attr_get_value: add to cache '/sys/class/iscsi_transport/be2iscsi/handle'

iscsiadm: sysfs_attr_get_value: cache '/sys/class/iscsi_transport/be2iscsi/handle' with attribute value '18446744072105686912'

iscsiadm: sysfs_attr_get_value: open '/class/iscsi_transport/be2iscsi'/'caps'

iscsiadm: sysfs_attr_get_value: new uncached attribute '/sys/class/iscsi_transport/be2iscsi/caps'

iscsiadm: sysfs_attr_get_value: add to cache '/sys/class/iscsi_transport/be2iscsi/caps'

iscsiadm: sysfs_attr_get_value: cache '/sys/class/iscsi_transport/be2iscsi/caps' with attribute value '0x8b9'

iscsiadm: Adding new transport bnx2i
iscsiadm: Matched transport bnx2i

iscsiadm: sysfs_attr_get_value: open '/class/iscsi_transport/bnx2i'/'handle'

iscsiadm: sysfs_attr_get_value: new uncached attribute '/sys/class/iscsi_transport/bnx2i/handle'

iscsiadm: sysfs_attr_get_value: add to cache '/sys/class/iscsi_transport/bnx2i/handle'

iscsiadm: sysfs_attr_get_value: cache '/sys/class/iscsi_transport/bnx2i/handle' with attribute value '18446744072106051136'

iscsiadm: sysfs_attr_get_value: open '/class/iscsi_transport/bnx2i'/'caps'

iscsiadm: sysfs_attr_get_value: new uncached attribute '/sys/class/iscsi_transport/bnx2i/caps'

iscsiadm: sysfs_attr_get_value: add to cache '/sys/class/iscsi_transport/bnx2i/caps'

iscsiadm: sysfs_attr_get_value: cache '/sys/class/iscsi_transport/bnx2i/caps' with attribute value '0x8b9'

iscsiadm: Adding new transport cxgb4i
iscsiadm: Matched transport cxgb4i

iscsiadm: sysfs_attr_get_value: open '/class/iscsi_transport/cxgb4i'/'handle'

iscsiadm: sysfs_attr_get_value: new uncached attribute '/sys/class/iscsi_transport/cxgb4i/handle'

iscsiadm: sysfs_attr_get_value: add to cache '/sys/class/iscsi_transport/cxgb4i/handle'

iscsiadm: sysfs_attr_get_value: cache '/sys/class/iscsi_transport/cxgb4i/handle' with attribute value '18446744072105892064'

iscsiadm: sysfs_attr_get_value: open '/class/iscsi_transport/cxgb4i'/'caps'

iscsiadm: sysfs_attr_get_value: new uncached attribute '/sys/class/iscsi_transport/cxgb4i/caps'

iscsiadm: sysfs_attr_get_value: add to cache '/sys/class/iscsi_transport/cxgb4i/caps'

iscsiadm: sysfs_attr_get_value: cache '/sys/class/iscsi_transport/cxgb4i/caps' with attribute value '0x30b9'

iscsiadm: Adding new transport iser
iscsiadm: Matched transport iser

iscsiadm: sysfs_attr_get_value: open '/class/iscsi_transport/iser'/'handle'

iscsiadm: sysfs_attr_get_value: new uncached attribute '/sys/class/iscsi_transport/iser/handle'

iscsiadm: sysfs_attr_get_value: add to cache '/sys/class/iscsi_transport/iser/handle'

iscsiadm: sysfs_attr_get_value: cache '/sys/class/iscsi_transport/iser/handle' with attribute value '18446744072105774912'

iscsiadm: sysfs_attr_get_value: open '/class/iscsi_transport/iser'/'caps'

iscsiadm: sysfs_attr_get_value: new uncached attribute '/sys/class/iscsi_transport/iser/caps'

iscsiadm: sysfs_attr_get_value: add to cache '/sys/class/iscsi_transport/iser/caps'

iscsiadm: sysfs_attr_get_value: cache '/sys/class/iscsi_transport/iser/caps' with attribute value '0x9'

iscsiadm: Adding new transport tcp
iscsiadm: Matched transport tcp

iscsiadm: sysfs_attr_get_value: open '/class/iscsi_transport/tcp'/'handle'

iscsiadm: sysfs_attr_get_value: new uncached attribute '/sys/class/iscsi_transport/tcp/handle'

iscsiadm: sysfs_attr_get_value: add to cache '/sys/class/iscsi_transport/tcp/handle'

iscsiadm: sysfs_attr_get_value: cache '/sys/class/iscsi_transport/tcp/handle' with attribute value '18446744072105737184'

iscsiadm: sysfs_attr_get_value: open '/class/iscsi_transport/tcp'/'caps'

iscsiadm: sysfs_attr_get_value: new uncached attribute '/sys/class/iscsi_transport/tcp/caps'

iscsiadm: sysfs_attr_get_value: add to cache '/sys/class/iscsi_transport/tcp/caps'

iscsiadm: sysfs_attr_get_value: cache '/sys/class/iscsi_transport/tcp/caps' with attribute value '0x39'

iscsiadm: no authentication configured...
iscsiadm: sendtargets discovery to 192.168.18.210:3260 using isid 0x00023d000000
iscsiadm: resolved 192.168.18.210 to 192.168.18.210
iscsiadm: discovery timeouts: login 15, reopen_cnt 6, auth 45.
iscsiadm: connecting to 192.168.18.210:3260
iscsiadm: cannot make connection to 192.168.18.210: No route to host
iscsiadm: discovery session to 192.168.18.210:3260 sleeping for 1 seconds before next login attempt
iscsiadm: connecting to 192.168.18.210:3260
iscsiadm: cannot make connection to 192.168.18.210: No route to host
iscsiadm: discovery session to 192.168.18.210:3260 sleeping for 1 seconds before next login attempt
iscsiadm: connecting to 192.168.18.210:3260
iscsiadm: cannot make connection to 192.168.18.210: No route to host
iscsiadm: discovery session to 192.168.18.210:3260 sleeping for 1 seconds before next login attempt
iscsiadm: connecting to 192.168.18.210:3260
iscsiadm: cannot make connection to 192.168.18.210: No route to host
iscsiadm: discovery session to 192.168.18.210:3260 sleeping for 1 seconds before next login attempt
iscsiadm: connecting to 192.168.18.210:3260
iscsiadm: cannot make connection to 192.168.18.210: No route to host
iscsiadm: discovery session to 192.168.18.210:3260 sleeping for 1 seconds before next login attempt
iscsiadm: connecting to 192.168.18.210:3260
iscsiadm: cannot make connection to 192.168.18.210: No route to host
iscsiadm: connection login retries (reopen_max) 5 exceeded
iscsiadm: Could not perform SendTargets discovery: encountered connection failure

Mike Christie

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Mar 6, 2012, 4:14:01 PM3/6/12
to open-...@googlegroups.com, lou...@gmail.com
On 03/05/2012 04:33 PM, lou...@gmail.com wrote:
> I have replaced my target host and am running into many many
> problems...the latest being the following.
>
> WIth the previous target host the initiator had been running. Have I
> done something to corrupt it? I had to replace some packages recently to
> complete some testing
> but I felt that they were unrelated to iscsi...
> /


> /iscsiadm: resolved 192.168.18.210 to 192.168.18.210/
> /iscsiadm: discovery timeouts: login 15, reopen_cnt 6, auth 45./
> /iscsiadm: connecting to 192.168.18.210:3260/
> /iscsiadm: cannot make connection to 192.168.18.210: No route to host/
> /iscsiadm: discovery session to 192.168.18.210:3260 sleeping for 1
> seconds before next login attempt/
> /iscsiadm: connecting to 192.168.18.210:3260/
> /iscsiadm: cannot make connection to 192.168.18.210: No route to host/
> /iscsiadm: discovery session to 192.168.18.210:3260 sleeping for 1
> seconds before next login attempt/
> /iscsiadm: connecting to 192.168.18.210:3260/
> /iscsiadm: cannot make connection to 192.168.18.210: No route to host/
> /iscsiadm: discovery session to 192.168.18.210:3260 sleeping for 1
> seconds before next login attempt/
> /iscsiadm: connecting to 192.168.18.210:3260/
> /iscsiadm: cannot make connection to 192.168.18.210: No route to host/
> /iscsiadm: discovery session to 192.168.18.210:3260 sleeping for 1
> seconds before next login attempt/
> /iscsiadm: connecting to 192.168.18.210:3260/
> /iscsiadm: cannot make connection to 192.168.18.210: No route to host/
> /iscsiadm: discovery session to 192.168.18.210:3260 sleeping for 1
> seconds before next login attempt/
> /iscsiadm: connecting to 192.168.18.210:3260/
> /iscsiadm: cannot make connection to 192.168.18.210: No route to host/
> /iscsiadm: connection login retries (reopen_max) 5 exceeded/
> /iscsiadm: Could not perform SendTargets discovery: encountered
> connection failure/
>

the iscsi initiator is just trying to do a simple tcp socket connection,
and it gets the no route to host failure.

Is the target up and running? Is the network that iscsi is running on up
and running? can you ping the target? Is it running on port 3260?

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